Radiother Oncol
Dr. Aaron Benjamin Simon, MD, PhD
- Medicare services, 2024
- 1,822
- Medicare patients, 2024
- 206
- Part D claims, 2024
- 54
- Publications
- 33
- Hospital affiliations
- 2
- Practice address
- 101 City Drive South, Orange, CA 92868
- Practice phone
- Call (714) 456-7890
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Simon's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Aaron Benjamin Simon is a radiation oncologist in Orange, California
Dr. Simon practices at UCI Health - Orange in Orange, California, part of UC Irvine.
Dr. Simon's NPI, 1801250550, was assigned on April 8, 2016. Dr. Simon graduated from University of California San Diego School of Medicine in 2016. Dr. Simon's California license number on file is A152727.
- NPI
- 1801250550NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294137378
- NPI enumeration date
- April 8, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (714) 456-7890
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Aaron Benjamin Simon practices at UCI Health - Orange in Orange, California
Dr. Simon's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.
- UCI Health - Orange101 City Drive South, Orange, CA 92868 · Orange CountyPhone(714) 456-7890
Source: Dmand AI Affiliation Data
Dr. Aaron Benjamin Simon is affiliated with 3 sites of care and 1 medical group
Dr. Simon's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dr. Simon is also affiliated with Hoag Hospital Newport Beach. The medical group on file is UCI Health Physicians. Dmand AI also links Dr. Simon to 1 more other site, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Aaron Benjamin Simon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simon practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCI Health - Orange | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across UC Irvine and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Aaron Benjamin Simon is one of 685 radiation oncologists in California
Radiation oncology is Dr. Simon's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Simon is board certified in radiation oncology by the American Board of Radiology. Dr. Simon has a license on file in California.
Specialties and state licenses
- Radiation oncology, CaliforniaPrimary
Clinical focus
Dmand AI lists bladder cancer radiation, bone cancer radiation, brain cancer radiation, brain tumor radiation, breast cancer radiation, colorectal cancer radiation, head & neck cancer radiation and lung cancer radiation among the conditions Dr. Simon treats.
Radiation oncologists near Dr. Simon
Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Aaron Benjamin Simon billed Medicare for 1,822 services in 2024
CMS data shows 1,822 Medicare services from Dr. Simon across 18 procedure codes in 2024, for 206 Medicare patients. Medicare paid $153,945 for them.
Dr. Simon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,6172024: 1,5862%
- Office and hospital visits
- 2023: 2102024: 23612%
Where Dr. Simon's Medicare services took place, 2024
- In an office392%
- In a facility1,78398%
Dr. Simon compared with the California median for radiation oncologists, 2024
- Dr. Simon
- California median
- Medicare services
- 1,822vs 1,44426% above
- Medicare patients
- 206vs 16426% above
- Part D claims
- 14vs 3256% below
Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.
Dr. Simon's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Simon?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Simon and other radiation oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Aaron Benjamin Simon treated 206 Medicare patients in 2024, average age 73
CMS counts 206 Medicare patients who saw Dr. Simon in 2024. The largest group is 65 to 74, with 91 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 2.76, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Simon's median patient age at 62, with 54% women.
Dr. Simon's Medicare patients by age, 2024
Dr. Simon's Medicare patients by sex, 2024
- Women9044%
- Men11656%
Chronic conditions among Dr. Simon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Cancer45%
- Stroke or TIA35%
- Chronic kidney disease33%
- Diabetes33%
- Ischemic heart disease32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Simon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women54%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Aaron Benjamin Simon wrote 54 Medicare Part D claims in 2024
In 2024, Dr. Simon wrote 54 Medicare Part D claims for 25 patients. 87% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $165 in total drug cost.
Dr. Simon's Part D claims by kind of drug, 2024
- Generic47 claims87%
- Brand-name and other7 claims13%
Dr. Simon's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Aaron Benjamin Simon offers telehealth to Medicare patients
Dr. Simon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Simon as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Aaron Benjamin Simon has 33 publications on record
Dmand AI links 33 papers to Dr. Simon, published from 2012 to 2025. 2021 was the busiest year, with 7. The most frequent topics are Magnetic Resonance Imaging, Brain and Oxygen Consumption. Dr. Simon has published most often in Brachytherapy. Dr. Simon's most frequent co-authors are Loren K. Mell, MD, Jyoti S. Mayadev, MD and Catheryn M. Yashar, MD.
Dr. Simon's papers by year, 2012 to 2025
Topics Dr. Simon writes about most
- Magnetic Resonance Imaging
- Brain
- Oxygen Consumption
- Cerebrovascular Circulation
- Radiotherapy Dosage
- Brachytherapy
- Oxygen
- Uterine Cervical Neoplasms
Dr. Simon's most frequent co-authors
- Loren K. Mell, MD8 shared papers
- Jyoti S. Mayadev, MD6 shared papers
- Catheryn M. Yashar, MD5 shared papers
Recent publications by Dr. Simon
Brachytherapy
See who Dr. Simon researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Simon works with, so you can find a warm path to the right radiation oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Aaron Benjamin Simon received $10,209 in industry payments from 2023 to 2025
CMS Open Payments shows 18 general payments to Dr. Simon from 3 drug and device companies from 2023 to 2025. Consulting fees make up the largest share, 78% of the total. icotec Medical Inc. paid the most, $10,078.
General payments to Dr. Simon by program year, 2023 to 2025
General payments to Dr. Simon by kind, 2023 to 2025
- Consulting fees$8,00078%
- Travel and lodging$1,68016%
- Food and beverage$5295%
Companies that paid Dr. Simon the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Aaron Benjamin Simon graduated from University of California San Diego School of Medicine
Dr. Simon graduated from University of California San Diego School of Medicine in 2016.
- Medical school
- Board certified in radiation oncology
Source: Dmand AI Professional Profile Data
Dr. Aaron Benjamin Simon accepts plans from 12 insurance carriers
Dr. Simon is in network with 12 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- +4 more carriersWith a free account
Plan types Dr. Simon accepts, by number of carriers
- PPO8
- HMO6
- Medicare6
- EPO4
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Aaron Benjamin Simon's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Aaron Benjamin Simon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Aaron Benjamin Simon's NPI number?
Dr. Aaron Benjamin Simon's NPI number is 1801250550. It was assigned on April 8, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Aaron Benjamin Simon?
Dr. Aaron Benjamin Simon is a radiation oncologist in Orange, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Aaron Benjamin Simon practice?
Dr. Simon practices at 101 City Drive South, Orange, CA 92868. Dr. Simon's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dmand AI also links Dr. Simon to 1 other site.
What is Dr. Aaron Benjamin Simon's office phone number?
The practice phone on file for Dr. Simon is (714) 456-7890.
What is Dr. Aaron Benjamin Simon's medical license number?
Dr. Simon's California license number on file is A152727.
Which hospitals is Dr. Aaron Benjamin Simon affiliated with?
Dr. Simon practices at UCI Health - Orange in Orange, California. Dr. Simon is also affiliated with Hoag Hospital Newport Beach.
What medical group is Dr. Aaron Benjamin Simon part of?
Dr. Simon is linked to UCI Health Physicians.
Does Dr. Aaron Benjamin Simon accept Medicare?
Yes. CMS data shows Dr. Simon billed Medicare for 1,822 services in 2024, and Dr. Simon accepts Medicare assignment.
Does Dr. Aaron Benjamin Simon offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Simon as offering telehealth services.
How many Medicare patients does Dr. Aaron Benjamin Simon see?
CMS counts 206 Medicare patients who saw Dr. Simon in 2024, with an average age of 73.
Show 9 more questionsShow fewer questions
Is Dr. Aaron Benjamin Simon board certified?
Yes. Dr. Simon is board certified in radiation oncology by the American Board of Radiology.
What services does Dr. Aaron Benjamin Simon bill to Medicare?
In 2024, Dr. Simon's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and radiation oncology (77334).
Where did Dr. Aaron Benjamin Simon go to medical school?
Dr. Simon graduated from University of California San Diego School of Medicine in 2016.
What drugs does Dr. Aaron Benjamin Simon prescribe most?
In 2024 Medicare Part D data, Dr. Simon's most prescribed drugs by claims were Dexamethasone.
Has Dr. Aaron Benjamin Simon received payments from drug or device companies?
CMS Open Payments shows $10,209 in general payments to Dr. Simon from 3 companies from 2023 to 2025. The largest total came from icotec Medical Inc.
How long has Dr. Aaron Benjamin Simon been practicing?
Dr. Simon graduated from medical school in 2016, 10 years ago.
Does Dr. Aaron Benjamin Simon do research?
Dmand AI links 33 publications to Dr. Simon, published from 2012 to 2025.
Who does Dr. Aaron Benjamin Simon publish with?
Dr. Simon's most frequent co-authors are Loren K. Mell, MD (8 shared papers), Jyoti S. Mayadev, MD (6 shared papers) and Catheryn M. Yashar, MD (5 shared papers).
What insurance does Dr. Aaron Benjamin Simon accept?
Dr. Simon is in network with 12 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
Selling to radiation oncology practices?
See radiation oncologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card